It is necessary, then, to appeal to the spiritual and moral capacities of the human person and to the permanent need for his inner conversion, so as to obtain social changes that will really serve him. The acknowledged priority of the conversion of heart in no way eliminates but on the contrary imposes the obligation of bringing the appropriate remedies to institutions and living conditions when they are an inducement to sin, so that they conform to the norms of justice and advance the good rather than hinder it.
Paragraph 1888 in the Catechism of the Catholic Church
Turn. Love. Repeat.